Patents for B41J 7 - Type-selecting or type-actuating mechanisms (695)
06/1981
06/30/1981US4275654 Selective printing apparatus
06/30/1981US4275653 Line printer system and method of operation with microprocessor control
06/25/1981WO1981001684A1 Impact printer
06/24/1981EP0030626A2 Printwheel homing apparatus
06/23/1981US4274753 Non-oral communication device
06/16/1981US4273041 Belt printer control architecture
06/02/1981US4270448 Printing device
05/1981
05/19/1981US4268177 Paper thickness adjusting mechanism for impact printer
04/1981
04/28/1981US4264225 Bounce dampening system for switch actuators
04/28/1981US4264220 Printwheel homing apparatus
04/21/1981US4262593 Printing apparatus
04/21/1981US4262592 Hammer drive apparatus for impact printer
04/08/1981EP0026387A1 Method of operating an impact printer having hammer flight time and velocity sensing means
04/07/1981US4259903 Circuit arrangement for synchronizing the times of occurrence of the print hammer impact with the arrival of the print type at the print position
03/1981
03/31/1981US4258624 Miniaturized printer
03/31/1981US4258622 Method of positioning a moving part and a printer operating in accordance with said method
03/31/1981CA1098473A1 Single element printer
03/24/1981US4257324 Position monitoring methods and apparatus
03/17/1981CA1097579A1 Typewriter key action
02/1981
02/17/1981US4251161 Control unit for a serial printer
02/03/1981US4248146 Impact printing apparatus having pivotable frame structures
01/1981
01/14/1981EP0022171A2 Direct keyboard controlled character selection rack shifting device for a single element typewriter
01/13/1981US4244291 Printer with a fixed and an axially movable character ring
01/13/1981US4244290 Miniature printer
01/13/1981US4244288 Flying printer
01/06/1981US4243333 Printing apparatus
01/06/1981US4243331 Apparatus for adjusting a carriage relative to a platen
01/06/1981CA1092892A1 Dual pitch impact printing mechanism
12/1980
12/30/1980CA1092538A1 Typewriters
12/23/1980CA1092244A1 System for automatically proofreading a document
12/10/1980EP0019839A1 Printer with parallel type wheels
11/1980
11/25/1980US4235167 High speed dual pitch impact printer
11/18/1980US4233895 Printer comprising a printing head which is adjustable by means of a motor
11/11/1980US4232975 Print hammer control
10/1980
10/29/1980EP0017702A1 Rotary-to-linear motion conversion device and typewriter character selection mechanism including the same
10/14/1980US4227454 Hydraulically operated drum series printer
10/07/1980CA1087030A1 Printers
09/1980
09/30/1980US4225252 Character selection for single element printer
09/03/1980EP0015158A1 Control unit for a serial printer
08/1980
08/26/1980CA1084436A1 Typing machine
08/12/1980CA1083511A1 Typewriter selection drive follower block and shuttle assembly
08/06/1980EP0013717A1 Control device and system for the print hammer in a rotating type-disc printer
08/05/1980US4215943 Motor driven single element printer
07/1980
07/29/1980US4215422 Selectively modifiable phrase storage for a typewriter
07/29/1980US4214837 Disc printers
07/29/1980US4214521 Rolling parallel printer
07/29/1980US4214520 Punch for punching markings into rolled material
07/01/1980US4210404 Printhead compensation arrangement for printer
06/1980
06/17/1980CA1079669A1 Cup printer
06/17/1980CA1079668A1 Single print element selection apparatus with multiple selection inhibiting means
05/1980
05/28/1980EP0011260A1 Method for positioning a movable body
05/28/1980EP0011095A1 Circuit arrangement for synchronizing the moment of the print hammer impact with the character type's arrival at the printing position
04/1980
04/30/1980EP0010101A1 Visualizing means for the last characters typed in a disc printer
04/30/1980EP0010099A1 Mechanism for controlling the striking force and the non-striking in a typewriter
04/15/1980US4198169 Type disc printer
04/01/1980US4195939 Type bar actuating mechanism for a typewriter
03/1980
03/11/1980US4192619 Electronically controlled printer system
03/04/1980US4191483 Typewriter key action
03/04/1980US4191481 Analogical control device for a typewriting machine to be used by handicapped persons
02/1980
02/19/1980US4189246 Variable print-hammer control for on-the-fly-printing
02/06/1980EP0007454A1 Device for adapting the type impact energy in a disc printer to the contact surface area of a character
01/1980
01/23/1980EP0007031A1 Printing apparatus
01/22/1980US4184781 Defect detector
01/09/1980EP0006479A1 Device for synchronizing the carrier and rotatable printing disk positions in an on-the-fly printer
01/08/1980US4182240 Printer control assembly
12/1979
12/18/1979CA1068231A1 Typewriter impact position adjustment mechanism
12/11/1979US4178108 Apparatus for space synchronizing carrier and rotatable print disk positions in on-the-fly printing
12/04/1979US4176599 Device for intermittently driving printing rings in a printer
11/1979
11/20/1979US4174908 Printer comprising a printing head controlled by a sensor
11/20/1979CA1066555A1 Apparatus for printing sheets, plates and pipes
10/1979
10/16/1979US4170937 Miniaturized printer control assembly
10/02/1979CA1063518A1 Increment-decrement logic for serial printer
09/1979
09/25/1979CA1063034A1 Control apparatus for serial printer
09/25/1979CA1063033A1 Position retry apparatus for serial printer
09/25/1979CA1063032A1 Signal priority logic for serial printer
08/1979
08/28/1979US4165687 Printing equipment and method of operation thereof
08/28/1979CA1061272A1 Ball and groove motion converting apparatus and typewriter selection apparatus embodying same
08/28/1979CA1061179A1 Distance member for a mosaic printer
08/23/1979WO1979000600A1 Visualizing means for the last characters typed in a disc printer
08/23/1979WO1979000598A1 Mechanism for controlling the striking force and the non-striking ina typewriter
08/14/1979US4164181 Printer
07/1979
07/31/1979CA1059594A1 Light sensitive detection system
07/31/1979CA1059459A1 Keyboard controlled electronic embossing machine
06/1979
06/12/1979CA1056207A1 Controls for a movable disk printer
06/05/1979CA1056066A1 Signal processing arrangement
05/1979
05/15/1979CA1054546A1 Electronic control system
05/08/1979US4152982 Miniature printer
05/08/1979US4152981 Dual pitch impact printing mechanism and method
04/1979
04/24/1979US4150619 Printer for different character densities
04/17/1979US4149808 Linear drive for a printing apparatus
04/03/1979US4147967 Apparatus and method for controlling the velocity of a moveable member
04/03/1979US4147440 Sliding code disc reader and detent therefor for dual pitch web feeding
04/03/1979US4147438 Serial printer for typewriters, teleprinters and data processors
03/1979
03/13/1979US4144560 Adaptive control for signal processing
03/06/1979US4142463 Print character selection mechanism
03/06/1979CA1049945A1 Non return to home rack shift selection mechanism for a single element printer
02/1979
02/27/1979US4142106 Transfer printing ribbon error detection system
02/20/1979CA1048953A1 Printing apparatus
01/1979
01/23/1979US4136395 System for automatically proofreading a document
01/16/1979CA1046419A1 Print rate control system
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